(1)Fill the 5 litre can from the tap (2)Empty the 5 litre can into the 3 litre can - leaving 2 litres in the 5 litre can. (3)Pour away the contents of the 3 litre can. (4)Fill the 3 litre can with the 2 litres from the 5 litre can - leaving 2 litres in the 3 litre can. (5)Fill the 5 litre can from the tap. (6)Fill the remaining 1 litre space in the 3 litre can from the 5 litre can. (7)Leaving 4 litres in the 5 litre can.
(1)Fill the 3 litre can from the tap. (2)Empty the contents of the 3 litre can into the 5 litre can. (3)Fill the 3 litre can from the tap. (4)Empty the contents of the 3 litre can into the 5 litre can. - Leaving the 5 litre can full and 1 litre in the 3 litre can. (5)Pour away the contents of the 5 litre can (6)Pour the 1 litre from the 3 litre can into the 5 litre can. (7)Fill the 3 litre can from the tap. (8)Empty the contents of the 3 litre can into the 5 litre can. (9)Leaving 4 litres in the 5 litre can.
Using 1, 2, 3, 4 & 5 in any order and the operators + - % * each exactly once what is the greatest possible value that you can make?
This was the question of two buckets of 3 and 5 litres each. Now measure four litre. I had given 2 solutions but still he wanted 3 solution. 1st soln: fill 3 litre and then interchange in various ways to get 4 litre. 2nd soln: fill 5 litre and then interchange in various ways.
If you have 7 sticks of length 1, 2, 3, 4, 5, 6, and 7cm. Is it possible to make two lines of the same length with them? Can you make four lines of the same length?